The interaction of an electronic spin with its nuclear environment, an issue known as the
central spin problem, has been the subject of considerable attention due to its relevance for …

Decoherence of electron spins in nanoscale systems is important to quantum technologies
such as quantum information processing and magnetometry. It is also an ideal model …

In recent years, the physics community has experienced a revival of interest in spin effects in
solid state systems. On one hand, the solid state systems, particularly, semiconductors and …

Epitaxial quantum dots (QDs) have long been identified as promising charge spin qubits
offering an efficient interface to quantum light and advanced semiconductor nanofabrication …

The control of solid-state qubits requires a detailed understanding of the decoherence
mechanisms. Despite considerable progress in uncovering the qubit dynamics in strong …

The interaction between a confined electron and the nuclei of an optically active quantum
dot provides a uniquely rich manifestation of the central spin problem. Coherent qubit control …

The spin diffusion concept provides a classical description of a purely quantum-mechanical
evolution in inhomogeneously polarized many-body systems such as nuclear spin lattices …

Deep cooling of electron and nuclear spins is equivalent to achieving polarization degrees
close to 100% and is a key requirement in solid-state quantum information technologies …

Magnetic noise of atomic nuclear spins is a major source of decoherence in solid-state spin
qubits. In theory, near-unity nuclear spin polarization can eliminate decoherence of the …

It has been proposed that valence-band holes can form robust spin qubits,,, owing to their
weaker hyperfine coupling compared with electrons,. However, it was demonstrated …